Golden orb weavers all construct large, asymmetrical orb-webs with at least some if not mostly yellow silk. The females are much bigger than the males. Five species of Nephilaare found in the Australasian region. The Australasian representatraves of the genus were revised by Mark Harvey, Andrew Austin and Mark Adams in 2007.
Herennia oz Kuntner, 2005 Australian Coin Spider
Australia has one official species of Herennia, several other species found across regions immediately north including tropical and... 
Nephila edulis (Labillardière, 1799) Golden Orb Weaver
A large spider found throughout coastal and inland Australia, especially Western Australia. Body length of females up to 40mm, males much smaller, about 7mm. Overall greyish with silvery...
Nephila pilipes (Fabricius, 1793) Northern or Giant Golden Orb Weaver
A colourful Nephila species, with legs relatively longer and more slender than those of other species, primarily a tropical spider across all of northern Australia but occasionally found as far south as South East Queensland and Northern NSW. There are patches of bright yellow on the...
Nephila plumipes (Latreille, 1804) Humped Golden Orb-weaving Spider
This spider, whose name refers to the golden color of its strong silk, not the color of the spider itself, is common and widespread in Australasia. It is one of Australia's most noticed and photographed spiders because of its large size and its habit of staying in its web during the daytime. The...